Changelog:
    New fonts can be installed by double-clicking the font in Nautilus.  (2.30)
Testcase
    New Font Installation
Prereq
    Download "openType file" from http://levien.com/type/myfonts/inconsolata.html
    Download archive from http://www.latofonts.com/wp-content/plugins/download-monitor/download.php?id=LatoOFL.zip
    Extract Lato-Hai.ttf

    Nautilus and Gedit installed
OTF test
    Steps
        Navigate to the folder with Downloads
        Double click on the font
    Expected result
         The font should be previewed, with an option to install it.
        
TTF test:                               
    Steps
        Navigate to the folder with Downloads
        Right click on the font, select "Open"
    Expected results
         The font should be previewed, with an option to install it.


Verification
    Steps
        Open Gedit
        Write something
        Go to "View => Preferences"
        Select tab "Font & Colors"
        Change font to  One of the recently installed fonts ( Inconsolata )
        Verify that font changes.

Testcase
   Quick Preview (3.2)

Prereq
    PDF or jpeg file
Steps
   Mark the file with the mouse
   Press "Space"
Expected result
   Preview window

Remaining test cases

• Split view (2.30)
• Copy/Move conflicts (2.32)
• Trash, restore files (2.32)

• cut ?> paste, transparent icons (2.32)

• Connect to server, redesigned (3.0)
• Undo (3.4)